Characteristic of Amphibians. Amphibians posses certain characteristic those are different from other species. These characteristic helps to adopt them in all the climate conditions and environment. Amphibians are cold blooded animals that derive heat from outside. The body temperature of the amphibians depends on the outside surroundings. Hence the amphibians are very active in warm environments and become lethargic when exposed to cold temperatures. As an offspring the amphibians begin their life cycle under the water breathing through gills. As they reach the adulthood they move to land and breathe with the help of either skin or lungs. Worms and insects act as the prey to the amphibian. Each species of the amphibians have their own feeding habit.
Civil engineering which involves the design and construction of buildings, roads, bridges, and water infrastructure. Mechanical engineering which involves the design of power, energy, and weapons systems, aircraft and transportation products, and other equipment.
See more synonyms on Thesaurus.com. noun. 1. a person trained and skilled in the design, construction, and use of engines or machines, or in any of various branches of engineering: a mechanical engineer; a civil engineer.